knownports / Ports 9000–9999 / Ports 9901 and 9902

Ports9901 & 9902

  • 9901enrpenrp server channel
  • 9901enrp-sctpenrp server channel
  • 9902enrp-sctp-tlsenrp/tls server channel

Port 9901 carries two registered names: enrp on UDP; enrp-sctp on SCTP. IANA has registered port 9902 to enrp-sctp-tls on SCTP. Both numbers cite RFC 5353. Each is one of the 88 numbers with an SCTP entry.

  1. 9898monkeycom
  2. 9899sctp-tunneling
  3. 9900iua
  4. 9901enrp
  5. 9902enrp-sctp-tls
  6. 9903multicast-ping
  7. 5 free
  8. 9909domaintime
  9. 1 free
  10. 9911sype-transport
TCP assignedUDP assignedSCTP assignedreservedno entryAll 194 assigned numbers in ports 9000–9999

Registry entries

PortServiceProtocolsRegisteredModifiedRFCsOther specs
9901enrpUDP————
9901enrp-sctpSCTP——RFC 5353—
9902enrp-sctp-tlsSCTP——RFC 5353—

Cited RFCs

RFCTitlePublishedStatusLater changes
RFC 5353Endpoint Handlespace Redundancy Protocol (ENRP)September 2008Experimental—

Where it sits in the registry

Port 9901 is one of 194 numbers with an assignment in ports 9000–9999 (19.4% of the range). No other number in the range is assigned on exactly UDP and SCTP. The registry records no registration date for it, as for 59 other numbers in the range; dates were recorded mainly from 2002 on.

Port 9902 is one of 194 numbers with an assignment in ports 9000–9999 (19.4% of the range). One other number in the range is assigned on exactly the same transport, SCTP. The registry records no registration date for it, as for 59 other numbers in the range; dates were recorded mainly from 2002 on.

Status on each protocol

ProtocolOn port 9901Other numbers with the same statusNearest with the same status
TCPno entry159902 enrp-sctp-tls
UDPassigned to enrp5,5009900 iua
SCTPassigned to enrp-sctp879900 iua
DCCPno entry6,0809900 iua

No other assigned number in the registry has exactly this combination across all four protocols.

ProtocolOn port 9902Other numbers with the same statusNearest with the same status
TCPno entry159901 enrp
UDPno entry189876 sd
SCTPassigned to enrp-sctp-tls879901 enrp
DCCPno entry6,0809901 enrp

13 other assigned numbers in the registry have exactly this combination across all four protocols.

The nearest assigned numbers

PortServiceLabelProtocolsRegisteredDistance
9898monkeycom—TCPUDP—3
9899sctp-tunnelingSCTP TUNNELINGUDP—2
9900iua—TCPUDPSCTP—1
9903multicast-pingMulticast Ping ProtocolUDP—1
9909domaintime—TCPUDP—7
9911sype-transportSYPECom Transport ProtocolTCPUDPMar 20039

Listed in Ports that cite an RFC · Plain and TLS port pairs · SCTP and DCCP port numbers